Dinosaurs were wiped out by a huge asteroid that smashed into Earth 65 million years ago with the force of a billion atomic bombs, scientists said, hoping to lay an age-old debate to rest once and for all.
Dinosaurs were wiped out by a huge asteroid that smashed into Earth 65 million years ago with the force of a billion atomic bombs, scientists said, hoping to lay an age-old debate to rest once and for all.